the Thoreau Log. 13 December 1850. Concord, Mass. Thoreau writes in his journal: The river froze over last night,—skimmed over (Journal, 2:124). Log Index Log Pages Select... 1817-1832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862